Corporate Bylaws Template: What to Include, State Rules, and a Free Sample (2026)

Written by

Helena Kozlova in

Legal Content Specialist, AI Lawyer

~11 min read · Updated May 2026

Fact-checked by

Kamal Tserakhau in

Legal Team Lead · AI Lawyer

Reviewed for accuracy · Verified May 2026

Corporate bylaws are the rulebook for how your corporation actually runs: who sits on the board, how decisions get made, when meetings happen, and how shares and officers are handled. They are not the same as the articles of incorporation you filed with the state, and most new founders confuse the two. This guide shows you what bylaws must include, whether your state requires them, how they differ from the articles and a shareholder agreement, and gives you a clear structure to copy.

The short answer

Corporate bylaws are the internal rules that govern how a corporation operates: the board, officers, meetings, voting, stock, and amendments. They are adopted by the incorporator or board after the corporation is formed, and unlike the articles of incorporation they are usually not filed with the state. Most states expect a corporation to adopt bylaws (around 31 require it, including Delaware and New York), and banks, the IRS, and investors will ask to see them. If the bylaws ever conflict with the articles of incorporation, the articles win.

This article is general information for a U.S. audience, not legal advice, and corporate rules vary by state and entity type. For a corporation with outside investors or complex ownership, have a corporate attorney review the bylaws.

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~31states require a corporation to adopt bylaws

Not filedbylaws are internal; most states do not require filing them

Articles winif bylaws conflict with the articles, the articles control

Asked forbanks, the IRS, and investors expect to see your bylaws

What are corporate bylaws?

Corporate bylaws are the internal governance rules a corporation adopts to define how it operates: the board of directors, the officers, how meetings are called and voted, how shares work, and how the bylaws themselves can be amended. They bind the corporation, its directors, officers, and shareholders, and they are kept in the company's records rather than filed with the state.

Think of the articles of incorporation as the birth certificate that creates the company, and the bylaws as the operating manual that says how it runs day to day. The articles are short and public; the bylaws are detailed and internal.

Bylaws matter because they prevent deadlock and disputes. When a question comes up about who can sign, what counts as a quorum, or how to remove a director, the bylaws already have the answer.

Are corporate bylaws required?

In most states, yes. Around 31 states require a corporation to adopt bylaws, and they are mandatory in major incorporation states including Delaware and New York. Most states do not require you to file the bylaws with the government, but you almost always need them in practice: banks ask for them to open an account, the IRS expects them for tax-exempt status, and investors review them in due diligence.

So even where the statute is silent, a corporation without bylaws is a problem waiting to happen. The bylaws are adopted shortly after formation, usually by the incorporator or at the first board meeting, and then kept with the corporate records.

The practical test is simple: if you have formed a corporation, you should adopt bylaws, regardless of whether your state strictly compels it.

Bylaws vs articles of incorporation vs shareholder agreement

The articles of incorporation create the corporation and are filed with the state, so they are public. The bylaws govern internal operations and are kept private, not filed. A shareholder agreement is a separate contract among the owners about their shares and relationships. If the bylaws and the articles ever conflict, the articles take precedence.

Articles of incorporation create the company and are filed and public; bylaws run it internally and are not filed; a shareholder agreement is a private contract among owners — Three corporate documents people confuse: the articles create the company, the bylaws run it, the shareholder agreement governs the owners.

Document	What it does	Filed with the state?
Articles of incorporation	Legally creates the corporation	Yes, and it is public
Corporate bylaws	Govern how the corporation operates	No, kept internally
Shareholder agreement	Governs the owners' shares and relations	No, a private contract

The amendment process differs too. Changing the articles means filing with the state and getting approval; changing the bylaws is usually an internal board or shareholder action. That difference is why detailed, changeable rules belong in the bylaws, not the articles.

What should corporate bylaws include?

Solid bylaws cover the corporation's name and purpose, the board of directors (number, election, terms, removal), the officers and their duties, meeting procedures (notice, quorum, voting, proxies), shares and stock transfers, indemnification of directors and officers, a conflict-of-interest policy, the fiscal year, and how the bylaws are amended.

The core sections of corporate bylaws: board, officers, meetings, stock, indemnification, amendments — The core sections of corporate bylaws, from the board through to the amendment rules.

Section	What it should cover
Board of directors	Number of directors, election, terms, and removal
Officers	Roles (president, secretary, treasurer), duties, and appointment
Meetings	How meetings are called, notice, quorum, voting, and proxies
Shares and stock	Classes of stock, issuance, and transfer rules
Indemnification	Protection for directors and officers acting in good faith
Conflict of interest	How interested-party transactions are handled
Fiscal year and records	The accounting year and how records are kept
Amendments	Who can change the bylaws and by what vote

A small tip that prevents deadlock: use an odd number of directors, with three common for smaller corporations, so board votes do not tie.

Who needs corporate bylaws, and when?

Every corporation needs bylaws, adopted right after the articles are filed. C-corps and S-corps both need them, and you will need them the moment you try to open a business bank account, bring on investors, apply for tax-exempt status as a nonprofit, or take any major governance action. The earlier they are adopted, the fewer disputes arise later.

Common moments you will be asked for bylaws:

Opening a corporate bank account.
Onboarding investors or completing due diligence.
Applying for 501(c)(3) tax-exempt status (nonprofits, with nonprofit-specific bylaws).
Electing or removing directors and officers, or holding annual meetings.

If you have formed a corporation and skipped bylaws, adopting them now is straightforward and worth doing before the next governance question arises.

How do you adopt and amend bylaws?

Bylaws are adopted by the incorporator or by the board at the corporation's first meeting, recorded in the minutes, and signed. They are not filed with the state. To amend them later, follow the amendment clause in the bylaws themselves, which usually allows the board or the shareholders to change them by a stated vote, without any state filing.

This is the practical advantage of putting changeable rules in the bylaws rather than the articles. When the company grows and the governance needs to change, the board updates the bylaws internally and records the new version, rather than filing an amendment with the state and waiting for approval.

Keep every adopted and amended version with the corporate records, dated and signed, so the current rules are always clear.

Common mistakes to avoid

The mistakes that cause governance disputes are predictable: never adopting bylaws, copying a generic template without matching your state and structure, leaving quorum and voting rules vague, forgetting indemnification, and letting the bylaws contradict the articles of incorporation.

Operating a corporation with no adopted bylaws at all.
Using a one-size template that ignores your state's rules and your board structure.
Leaving quorum, notice, or voting thresholds undefined, which invites deadlock.
Omitting indemnification, leaving directors and officers personally exposed.
Writing bylaws that conflict with the articles, where the articles will control.

Frequently asked questions

Are corporate bylaws legally required?

In most states, yes. Around 31 states require a corporation to adopt bylaws, and they are mandatory in Delaware and New York. Even where the statute does not strictly compel them, you need bylaws in practice for banks, the IRS, and investors, so every corporation should adopt them.

Do I have to file my corporate bylaws with the state?

Usually no. Unlike the articles of incorporation, bylaws are internal documents kept in the corporate records, not filed with the state. You will, however, be asked to produce them by banks, investors, and tax authorities.

What is the difference between bylaws and articles of incorporation?

The articles of incorporation create the corporation and are filed with the state as a public record. The bylaws govern how the corporation operates internally and are kept private. If the two ever conflict, the articles of incorporation take precedence.

Who adopts and signs corporate bylaws?

The incorporator or the board of directors adopts the bylaws, typically at the corporation's first meeting, and they are recorded in the minutes and signed. Shareholders may also have a role depending on the state and the bylaws themselves.

Can corporate bylaws be amended?

Yes. The bylaws contain their own amendment clause, which usually lets the board or shareholders change them by a stated vote, without filing anything with the state. Keep each amended version with the corporate records.

Do single-owner corporations need bylaws?

Yes. Even a one-person corporation should adopt bylaws, both because the state may require it and because banks and the IRS expect them. They also help maintain the corporate formalities that protect your limited liability.

Are bylaws the same for a nonprofit?

No. Nonprofits need nonprofit-specific bylaws that address members (if any), the board, conflicts of interest, and the requirements for 501(c)(3) tax-exempt status. Use a nonprofit bylaws template rather than a standard corporate one.

Do I need a lawyer to write corporate bylaws?

For a simple corporation a solid, state-matched template is often enough. For outside investors, multiple share classes, or complex governance, a corporate attorney is worth a review. An AI tool can produce a strong first draft to adopt or to take to a lawyer.

Sources and references

Model Business Corporation Act and state corporation statutes on adopting bylaws.
State guidance on articles of incorporation filing versus internal bylaws (Secretary of State resources).
IRS guidance on organizing documents and bylaws for 501(c)(3) tax-exempt status.

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